Created by: cclauss
This adds a single carriage return to three different files so that this repo compliant with PEP8.
The rules being corrected for are:
- two blank lines before each class definition
- a single carriage return at the end of each file
These changes are suggested by the test:
$ flake8 . --max-line-length=92 --show-source
./solutions/system_design/query_cache/query_cache_snippets.py:3:1: E302 expected 2 blank lines, found 1
class QueryApi(object):
^
./solutions/system_design/web_crawler/web_crawler_snippets.py:3:1: E302 expected 2 blank lines, found 1
class PagesDataStore(object):
^
./solutions/object_oriented_design/hash_table/hash_map.py:38:40: W292 no newline at end of file
raise KeyError('Key not found')
^